Home / 121,450.89-182,122.83-54,888.33

Finding the Fourth Proportional to 121,450.89, 182,122.83 and 54,888.33

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Solution

The fourth proportional to 121,450.89, 182,122.83 and 54,888.33 is: 82,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,450.89 : 182,122.83 = 54,888.33 : x
  2. Step 2: Convert to fraction form
    121,450.89/182,122.83 = 54,888.33/x
  3. Step 3: Cross multiply
    121,450.89x = 182,122.83 × 54,888.33
  4. Step 4: Simplify right side
    121,450.89x = 9,996,417,993.57
  5. Step 5: Solve for x
    x = 9,996,417,993.57/121,450.89
  6. Step 6: Final answer
    x = 82,308.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.